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Find Flight Deals from Portland to Ontario (PDX - ONT)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Portland to Ontario

(Round-trip)
Depart: Tue Apr 21 2015 Return: Tue Apr 28 2015 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PDX
2:35a
ONT
4:47a
2h 12m
nonstop
ONT
2:30a
PDX
4:48a
2h 18m
nonstop
Depart: Sun Mar 29 2015 Return: Tue Apr 7 2015 Trip spans 10 days
Alaska Airlines
Alaska Airlines
PDX
4:30p
ONT
6:42p
2h 12m
nonstop
ONT
2:30a
PDX
4:48a
2h 18m
nonstop
Depart: Sat Apr 11 2015 Return: Sat Apr 18 2015 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PDX
2:35a
ONT
4:47a
2h 12m
nonstop
ONT
2:30a
PDX
4:48a
2h 18m
nonstop
Depart: Tue Apr 14 2015 Return: Sun Apr 19 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
PDX
2:35a
ONT
4:47a
2h 12m
nonstop
ONT
2:30a
PDX
4:48a
2h 18m
nonstop
Depart: Wed Apr 15 2015 Return: Wed Apr 22 2015 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PDX
2:35a
ONT
4:47a
2h 12m
nonstop
ONT
2:30a
PDX
4:48a
2h 18m
nonstop
Depart: Fri Apr 17 2015 Return: Wed Apr 22 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
PDX
4:30p
ONT
6:41p
2h 11m
nonstop
ONT
2:30a
PDX
4:48a
2h 18m
nonstop
Depart: Sat Apr 18 2015 Return: Wed Apr 22 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
PDX
2:35a
ONT
4:47a
2h 12m
nonstop
ONT
2:30a
PDX
4:48a
2h 18m
nonstop
Depart: Sun Apr 19 2015 Return: Tue Apr 28 2015 Trip spans 10 days
Alaska Airlines
Alaska Airlines
PDX
4:30p
ONT
6:41p
2h 11m
nonstop
ONT
2:30a
PDX
4:48a
2h 18m
nonstop
Depart: Mon Apr 20 2015 Return: Tue Apr 28 2015 Trip spans 9 days
Alaska Airlines
Alaska Airlines
PDX
4:30p
ONT
6:41p
2h 11m
nonstop
ONT
2:30a
PDX
4:48a
2h 18m
nonstop
Depart: Wed Apr 22 2015 Return: Tue Apr 28 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
PDX
1:00p
ONT
3:11p
2h 11m
nonstop
ONT
2:30a
PDX
4:48a
2h 18m
nonstop
Depart: Sat Apr 25 2015 Return: Tue Apr 28 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
PDX
1:00p
ONT
3:11p
2h 11m
nonstop
ONT
2:30a
PDX
4:48a
2h 18m
nonstop
Depart: Tue Apr 28 2015 Return: Mon May 4 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
PDX
2:35a
ONT
4:47a
2h 12m
nonstop
ONT
3:45p
PDX
6:02p
2h 17m
nonstop
Depart: Fri Apr 10 2015 Return: Fri Apr 17 2015 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PDX
4:30p
ONT
6:41p
2h 11m
nonstop
ONT
5:20a
PDX
7:37a
2h 17m
nonstop
Depart: Mon Apr 27 2015 Return: Mon May 4 2015 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PDX
1:00p
ONT
3:11p
2h 11m
nonstop
ONT
2:30a
PDX
4:49a
2h 19m
nonstop
Depart: Thu Apr 16 2015 Return: Wed Apr 22 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
PDX
4:30p
ONT
6:41p
2h 11m
nonstop
ONT
2:30a
PDX
4:48a
2h 18m
nonstop
Depart: Thu Apr 23 2015 Return: Tue Apr 28 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
PDX
4:30p
ONT
6:41p
2h 11m
nonstop
ONT
2:30a
PDX
4:48a
2h 18m
nonstop
Depart: Mon Apr 13 2015 Return: Wed Apr 22 2015 Trip spans 10 days
US Airways
US Airways
PDX
1:20a
ONT
7:33a
6h 13m
1 stop
ONT
12:40p
PDX
7:01p
6h 21m
1 stop
Depart: Sun Apr 26 2015 Return: Wed Apr 29 2015 Trip spans 4 days
American Airlines
American Airlines
PDX
1:20a
ONT
7:33a
6h 13m
1 stop
ONT
8:35a
PDX
3:37p
7h 02m
1 stop
Depart: Wed Sep 2 2015 Return: Sat Sep 12 2015 Trip spans 11 days
Delta
Delta
PDX
2:28p
ONT
6:26p
3h 58m
1 stop
ONT
6:20a
PDX
11:56a
5h 36m
1 stop
Depart: Sat Apr 4 2015 Return: Wed Apr 15 2015 Trip spans 12 days
United
United
PDX
1:35a
ONT
6:01a
4h 26m
1 stop
ONT
1:30a
PDX
8:48a
7h 18m
1 stop
Change your search
Direct flights PDX to ONT on Delta
Flight # Depart PDX Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
8975 5:00 pm 7:13 pm Mar 8 - Apr 4
8975 5:00 pm 7:11 pm Apr 5 - May 2
9150 8:30 pm 10:42 pm Mar 8 - Apr 3
9150 8:30 pm 10:41 pm Apr 5 - May 1
Airports
Origin

Portland
$174
Destination

Ontario
$174